Professional engineering services

Certificate of Authorization

In Ontario, professional engineers who provide engineering services directly to the public must have a certificate of authorization (C of A).

This certificate is issued by Professional Engineers Ontario (PEO) to allow individuals and business entities to offer and provide professional engineering services to the public, as distinct from a licence issued to individuals to practise professional engineering. Individuals and firms holding a C of A from PEO must adhere to the professional liability insurance regulations required by the Professional Engineers Act.

The term "providing professional engineering services to the public" is used in conjunction with two specific regulatory issues mentioned in the act: the sealing of engineering